Big Springs Elementary (Data source)
Source data for Big Springs 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 | 3136234 | 2479 | - | 2436 | = | 43 | * | (97 | / | 381) | = | 10.94750653 | ||
| 4 | 3136237 | 2506 | - | 2485 | = | 21 | * | (102 | / | 381) | = | 5.62204724 | ||
| 5 | 3136238 | 2547 | - | 2528 | = | 19 | * | (92 | / | 381) | = | 4.5879265 | ||
| 6 | 3136241 | 2569 | - | 2552 | = | 17 | * | (90 | / | 381) | = | 4.01574802 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Big Springs Elementary | 25 | ||||||||||||
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 | 96700 | 2457 | - | 2436 | = | 21 | * | (97 | / | 364) | = | 5.59615384 | ||
| 4 | 96703 | 2524 | - | 2485 | = | 39 | * | (98 | / | 364) | = | 10.49999999 | ||
| 5 | 96704 | 2557 | - | 2528 | = | 29 | * | (104 | / | 364) | = | 8.28571427 | ||
| 6 | 96707 | 2575 | - | 2552 | = | 23 | * | (65 | / | 364) | = | 4.10714284 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Big Springs Elementary | 28 | ||||||||||||
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 | 99504 | 2468 | - | 2436 | = | 32 | * | (99 | / | 343) | = | 9.23615158 | ||
| 4 | 99505 | 2495 | - | 2485 | = | 10 | * | (90 | / | 343) | = | 2.6239067 | ||
| 5 | 99507 | 2561 | - | 2528 | = | 33 | * | (96 | / | 343) | = | 9.23615157 | ||
| 6 | 99509 | 2609 | - | 2552 | = | 57 | * | (58 | / | 343) | = | 9.63848391 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Big Springs Elementary | 31 | ||||||||||||
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 | 99662 | 2462 | - | 2436 | = | 26 | * | (99 | / | 332) | = | 7.75301205 | ||
| 4 | 99665 | 2505 | - | 2485 | = | 20 | * | (98 | / | 332) | = | 5.90361444 | ||
| 5 | 99666 | 2537 | - | 2528 | = | 9 | * | (88 | / | 332) | = | 2.38554216 | ||
| 6 | 99669 | 2593 | - | 2552 | = | 41 | * | (47 | / | 332) | = | 5.80421687 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Big Springs Elementary | 22 | ||||||||||||
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 | 100328 | 2462 | - | 2436 | = | 26 | * | (91 | / | 329) | = | 7.19148934 | ||
| 4 | 100329 | 2512 | - | 2485 | = | 27 | * | (100 | / | 329) | = | 8.20668691 | ||
| 5 | 100330 | 2550 | - | 2528 | = | 22 | * | (92 | / | 329) | = | 6.15197568 | ||
| 6 | 100331 | 2558 | - | 2552 | = | 6 | * | (46 | / | 329) | = | 0.83890577 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Big Springs Elementary | 22 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| 25 | 28 | 31 | 22 | 22 | 128.0 | 25.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 34.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: 16.6
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 | 13% | 16% | 15% | 17% | 18% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Simi Valley Unified school district County of Ventura
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.
Big Springs Elementary math proficiency
Zero+ meets standard.
9% less $meal
12% less $meal
12% less $meal
15% less $meal
15% 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.