Sycamore Rocks Elementary (Data source)
Source data for Sycamore Rocks 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 | 2108314 | 2418 | - | 2436 | = | -18 | * | (95 | / | 347) | = | -4.92795389 | ||
| 4 | 2108317 | 2446 | - | 2485 | = | -39 | * | (98 | / | 347) | = | -11.01440921 | ||
| 5 | 2108318 | 2466 | - | 2528 | = | -62 | * | (81 | / | 347) | = | -14.47262243 | ||
| 6 | 2108321 | 2513 | - | 2552 | = | -39 | * | (73 | / | 347) | = | -8.20461092 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Sycamore Rocks Elementary | -39 | ||||||||||||
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 | 64755 | 2410 | - | 2436 | = | -26 | * | (100 | / | 377) | = | -6.89655171 | ||
| 4 | 64756 | 2476 | - | 2485 | = | -9 | * | (94 | / | 377) | = | -2.24403183 | ||
| 5 | 64758 | 2464 | - | 2528 | = | -64 | * | (104 | / | 377) | = | -17.65517235 | ||
| 6 | 64760 | 2481 | - | 2552 | = | -71 | * | (79 | / | 377) | = | -14.87798404 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Sycamore Rocks Elementary | -42 | ||||||||||||
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 | 66579 | 2416 | - | 2436 | = | -20 | * | (108 | / | 368) | = | -5.8695652 | ||
| 4 | 66581 | 2460 | - | 2485 | = | -25 | * | (86 | / | 368) | = | -5.8423913 | ||
| 5 | 66582 | 2463 | - | 2528 | = | -65 | * | (77 | / | 368) | = | -13.60054345 | ||
| 6 | 66584 | 2501 | - | 2552 | = | -51 | * | (97 | / | 368) | = | -13.44293476 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Sycamore Rocks Elementary | -39 | ||||||||||||
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 | 66647 | 2415 | - | 2436 | = | -21 | * | (72 | / | 332) | = | -4.55421685 | ||
| 4 | 66649 | 2466 | - | 2485 | = | -19 | * | (96 | / | 332) | = | -5.49397589 | ||
| 5 | 66651 | 2482 | - | 2528 | = | -46 | * | (100 | / | 332) | = | -13.85542167 | ||
| 6 | 66653 | 2523 | - | 2552 | = | -29 | * | (64 | / | 332) | = | -5.59036144 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Sycamore Rocks Elementary | -29 | ||||||||||||
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 | 67078 | 2419 | - | 2436 | = | -17 | * | (99 | / | 350) | = | -4.80857141 | ||
| 4 | 67079 | 2461 | - | 2485 | = | -24 | * | (62 | / | 350) | = | -4.25142857 | ||
| 5 | 67080 | 2499 | - | 2528 | = | -29 | * | (93 | / | 350) | = | -7.70571427 | ||
| 6 | 67081 | 2515 | - | 2552 | = | -37 | * | (96 | / | 350) | = | -10.14857142 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Sycamore Rocks Elementary | -27 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -39 | -42 | -39 | -29 | -27 | -176.0 | -35.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -17.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -53.2
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 | 68% | 69% | 66% | 68% | 74% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Apple Valley Unified school district | County of San Bernardino
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.
Sycamore Rocks Elementary math proficiency
Zero+ meets standard.
59% less $meal
62% less $meal
59% less $meal
63% 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.