Central Elementary (Data source)
Source data for Central Elementary
2015
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 3 | 555439 | 2400 | - | 2436 | = | -36 | * | (24 | / | 188) | = | -4.59574466 | ||
| 4 | 555442 | 2425 | - | 2485 | = | -60 | * | (41 | / | 188) | = | -13.08510636 | ||
| 5 | 555443 | 2412 | - | 2528 | = | -116 | * | (33 | / | 188) | = | -20.36170202 | ||
| 6 | 555446 | 2413 | - | 2552 | = | -139 | * | (33 | / | 188) | = | -24.39893605 | ||
| 7 | 555447 | 2459 | - | 2567 | = | -108 | * | (28 | / | 188) | = | -16.08510636 | ||
| 8 | 555450 | 2475 | - | 2586 | = | -111 | * | (29 | / | 188) | = | -17.12234041 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Central Elementary | -96 | ||||||||||||
2016
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 3 | 17637 | 2457 | - | 2436 | = | 21 | * | (34 | / | 191) | = | 3.73821989 | ||
| 4 | 17639 | 2481 | - | 2485 | = | -4 | * | (22 | / | 191) | = | -0.46073298 | ||
| 5 | 17641 | 2460 | - | 2528 | = | -68 | * | (35 | / | 191) | = | -12.46073296 | ||
| 6 | 17642 | 2419 | - | 2552 | = | -133 | * | (37 | / | 191) | = | -25.76439784 | ||
| 7 | 17645 | 2441 | - | 2567 | = | -126 | * | (36 | / | 191) | = | -23.74869105 | ||
| 8 | 17647 | 2462 | - | 2586 | = | -124 | * | (27 | / | 191) | = | -17.52879574 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Central Elementary | -76 | ||||||||||||
2017
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 3 | 17976 | 2424 | - | 2436 | = | -12 | * | (36 | / | 189) | = | -2.28571428 | ||
| 4 | 17979 | 2487 | - | 2485 | = | 2 | * | (30 | / | 189) | = | 0.31746032 | ||
| 5 | 17980 | 2436 | - | 2528 | = | -92 | * | (21 | / | 189) | = | -10.22222221 | ||
| 6 | 17982 | 2433 | - | 2552 | = | -119 | * | (39 | / | 189) | = | -24.55555551 | ||
| 7 | 17984 | 2425 | - | 2567 | = | -142 | * | (31 | / | 189) | = | -23.29100529 | ||
| 8 | 17987 | 2453 | - | 2586 | = | -133 | * | (32 | / | 189) | = | -22.51851848 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Central Elementary | -83 | ||||||||||||
2018
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 3 | 17990 | 2413 | - | 2436 | = | -23 | * | (28 | / | 188) | = | -3.42553191 | ||
| 4 | 17991 | 2491 | - | 2485 | = | 6 | * | (35 | / | 188) | = | 1.11702127 | ||
| 5 | 17994 | 2487 | - | 2528 | = | -41 | * | (30 | / | 188) | = | -6.54255319 | ||
| 6 | 17995 | 2444 | - | 2552 | = | -108 | * | (25 | / | 188) | = | -14.36170208 | ||
| 7 | 17998 | 2454 | - | 2567 | = | -113 | * | (36 | / | 188) | = | -21.63829779 | ||
| 8 | 17999 | 2464 | - | 2586 | = | -122 | * | (34 | / | 188) | = | -22.06382969 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Central Elementary | -67 | ||||||||||||
2019
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 3 | 18138 | 2426 | - | 2436 | = | -10 | * | (37 | / | 186) | = | -1.98924731 | ||
| 4 | 18139 | 2434 | - | 2485 | = | -51 | * | (27 | / | 186) | = | -7.40322579 | ||
| 5 | 18140 | 2476 | - | 2528 | = | -52 | * | (34 | / | 186) | = | -9.5053763 | ||
| 6 | 18141 | 2481 | - | 2552 | = | -71 | * | (28 | / | 186) | = | -10.68817201 | ||
| 7 | 18142 | 2438 | - | 2567 | = | -129 | * | (25 | / | 186) | = | -17.33870966 | ||
| 8 | 18143 | 2485 | - | 2586 | = | -101 | * | (35 | / | 186) | = | -19.00537634 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Central Elementary | -66 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -96 | -76 | -83 | -67 | -66 | -388.0 | -77.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -41.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -113.6
For the lines, you have the data necessary to plot the chart.
Very last step
The percent of students getting a Free or Reduced Price Meal comes from the following sources:
| 2015 | 2016 | 2017 | 2018 | 2019 | |
|---|---|---|---|---|---|
| Percent | 55% | 59% | 63% | 61% | 56% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Central Union Elementary school district | County of Kings
THIS chart shows what the school system "wants"
PLUS a "special" or "outside" cause of variation: wealth/poverty.
NOT what teachers want.
NOT what principals want.
NOT what parents want.
Central Elementary math proficiency
Zero+ meets standard.
49% less $meal
50% less $meal
55% less $meal
52% less $meal
49% less $meal
• Any result above zero is proficient; below is not proficient. • There is a 99% chance that results will remain the same in coming years, which is to say, between the Upper and Lower Control Limits (the gray lines). • The houses with the % of students receiving a Free or Reduced Price Meal is a measure of wealth/poverty.
Elementary School (Public) schools in Central Union Elementary (4)
| Akers Elementary | Central Elementary | R. J. Neutra |
| Stratford Elementary |