Orchard Elementary (Data source)
Source data for Orchard 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 | 1912544 | 2386 | - | 2436 | = | -50 | * | (62 | / | 362) | = | -8.5635359 | ||
4 | 1912547 | 2419 | - | 2485 | = | -66 | * | (59 | / | 362) | = | -10.75690605 | ||
5 | 1912548 | 2471 | - | 2528 | = | -57 | * | (59 | / | 362) | = | -9.29005523 | ||
6 | 1912551 | 2489 | - | 2552 | = | -63 | * | (60 | / | 362) | = | -10.44198893 | ||
7 | 1912552 | 2489 | - | 2567 | = | -78 | * | (65 | / | 362) | = | -14.00552486 | ||
8 | 1912555 | 2521 | - | 2586 | = | -65 | * | (57 | / | 362) | = | -10.2348066 | ||
Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Orchard Elementary | -63 |
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 | 58879 | 2384 | - | 2436 | = | -52 | * | (52 | / | 343) | = | -7.8833819 | ||
4 | 58880 | 2416 | - | 2485 | = | -69 | * | (58 | / | 343) | = | -11.66763842 | ||
5 | 58883 | 2487 | - | 2528 | = | -41 | * | (60 | / | 343) | = | -7.17201163 | ||
6 | 58885 | 2489 | - | 2552 | = | -63 | * | (58 | / | 343) | = | -10.65306117 | ||
7 | 58886 | 2509 | - | 2567 | = | -58 | * | (56 | / | 343) | = | -9.46938775 | ||
8 | 58889 | 2547 | - | 2586 | = | -39 | * | (59 | / | 343) | = | -6.70845478 | ||
Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Orchard Elementary | -54 |
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 | 60591 | 2396 | - | 2436 | = | -40 | * | (63 | / | 355) | = | -7.09859152 | ||
4 | 60594 | 2424 | - | 2485 | = | -61 | * | (51 | / | 355) | = | -8.76338023 | ||
5 | 60595 | 2478 | - | 2528 | = | -50 | * | (69 | / | 355) | = | -9.71830985 | ||
6 | 60598 | 2510 | - | 2552 | = | -42 | * | (65 | / | 355) | = | -7.69014082 | ||
7 | 60600 | 2476 | - | 2567 | = | -91 | * | (51 | / | 355) | = | -13.07323936 | ||
8 | 60602 | 2516 | - | 2586 | = | -70 | * | (56 | / | 355) | = | -11.04225346 | ||
Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Orchard Elementary | -57 |
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 | 60716 | 2411 | - | 2436 | = | -25 | * | (72 | / | 363) | = | -4.95867768 | ||
4 | 60718 | 2414 | - | 2485 | = | -71 | * | (58 | / | 363) | = | -11.34435259 | ||
5 | 60721 | 2457 | - | 2528 | = | -71 | * | (60 | / | 363) | = | -11.73553718 | ||
6 | 60722 | 2515 | - | 2552 | = | -37 | * | (77 | / | 363) | = | -7.84848484 | ||
7 | 60724 | 2513 | - | 2567 | = | -54 | * | (54 | / | 363) | = | -8.03305782 | ||
8 | 60727 | 2515 | - | 2586 | = | -71 | * | (42 | / | 363) | = | -8.21487601 | ||
Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Orchard Elementary | -52 |
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 | 60970 | 2388 | - | 2436 | = | -48 | * | (48 | / | 351) | = | -6.56410253 | ||
4 | 60971 | 2438 | - | 2485 | = | -47 | * | (64 | / | 351) | = | -8.56980055 | ||
5 | 60972 | 2456 | - | 2528 | = | -72 | * | (69 | / | 351) | = | -14.15384611 | ||
6 | 60973 | 2520 | - | 2552 | = | -32 | * | (55 | / | 351) | = | -5.01424499 | ||
7 | 60974 | 2521 | - | 2567 | = | -46 | * | (65 | / | 351) | = | -8.51851851 | ||
8 | 60975 | 2545 | - | 2586 | = | -41 | * | (50 | / | 351) | = | -5.84045582 | ||
Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Orchard Elementary | -49 |
Last steps
Compute the average
2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
---|---|---|---|---|---|---|
-63 | -54 | -57 | -52 | -49 | -275.0 | -55.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -40.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -70.0
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 | 71% | 73% | 75% | 74% | 71% |
Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Twin Rivers Unified school district County of Sacramento
THIS chart shows what the school system "wants"
PLUS a "special" or "outside" cause of variation, parent education.
NOT what teachers want.
NOT what principals want.
NOT what parents want.
Orchard Elementary math proficiency
Zero+ meets standard.
65% less $meal
60% less $meal
59% less $meal
66% less $meal
64% 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.