Samuel Vaughn Elementary (Data source)
Source data for Samuel Vaughn 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 | 2923951 | 2428 | - | 2436 | = | -8 | * | (92 | / | 369) | = | -1.99457994 | ||
| 4 | 2923954 | 2442 | - | 2485 | = | -43 | * | (95 | / | 369) | = | -11.07046068 | ||
| 5 | 2923955 | 2453 | - | 2528 | = | -75 | * | (92 | / | 369) | = | -18.69918698 | ||
| 6 | 2923958 | 2535 | - | 2552 | = | -17 | * | (90 | / | 369) | = | -4.14634146 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Samuel Vaughn Elementary | -36 | ||||||||||||
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 | 89505 | 2425 | - | 2436 | = | -11 | * | (72 | / | 357) | = | -2.21848739 | ||
| 4 | 89507 | 2439 | - | 2485 | = | -46 | * | (96 | / | 357) | = | -12.3697479 | ||
| 5 | 89509 | 2479 | - | 2528 | = | -49 | * | (95 | / | 357) | = | -13.03921566 | ||
| 6 | 89511 | 2531 | - | 2552 | = | -21 | * | (94 | / | 357) | = | -5.52941176 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Samuel Vaughn Elementary | -33 | ||||||||||||
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 | 92111 | 2421 | - | 2436 | = | -15 | * | (95 | / | 368) | = | -3.8722826 | ||
| 4 | 92114 | 2430 | - | 2485 | = | -55 | * | (83 | / | 368) | = | -12.40489129 | ||
| 5 | 92116 | 2449 | - | 2528 | = | -79 | * | (95 | / | 368) | = | -20.39402167 | ||
| 6 | 92117 | 2533 | - | 2552 | = | -19 | * | (95 | / | 368) | = | -4.90489129 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Samuel Vaughn Elementary | -42 | ||||||||||||
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 | 92312 | 2434 | - | 2436 | = | -2 | * | (72 | / | 354) | = | -0.40677966 | ||
| 4 | 92314 | 2443 | - | 2485 | = | -42 | * | (94 | / | 354) | = | -11.15254237 | ||
| 5 | 92317 | 2454 | - | 2528 | = | -74 | * | (92 | / | 354) | = | -19.23163837 | ||
| 6 | 92318 | 2506 | - | 2552 | = | -46 | * | (96 | / | 354) | = | -12.47457624 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Samuel Vaughn Elementary | -43 | ||||||||||||
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 | 92958 | 2437 | - | 2436 | = | 1 | * | (96 | / | 364) | = | 0.26373626 | ||
| 4 | 92959 | 2443 | - | 2485 | = | -42 | * | (79 | / | 364) | = | -9.11538461 | ||
| 5 | 92960 | 2464 | - | 2528 | = | -64 | * | (96 | / | 364) | = | -16.87912083 | ||
| 6 | 92961 | 2504 | - | 2552 | = | -48 | * | (93 | / | 364) | = | -12.26373624 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Samuel Vaughn Elementary | -38 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -36 | -33 | -42 | -43 | -38 | -192.0 | -38.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -26.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -50.4
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 | 75% | 77% | 77% | 78% | 75% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Ceres Unified school district | County of Stanislaus
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.
Samuel Vaughn Elementary math proficiency
Zero+ meets standard.
59% less $meal
63% less $meal
60% less $meal
67% less $meal
66% 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.