Santa Susana Elementary (Data source)
Source data for Santa Susana 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 | 3139315 | 2395 | - | 2436 | = | -41 | * | (50 | / | 193) | = | -10.62176164 | ||
| 4 | 3139316 | 2446 | - | 2485 | = | -39 | * | (47 | / | 193) | = | -9.49740932 | ||
| 5 | 3139319 | 2452 | - | 2528 | = | -76 | * | (48 | / | 193) | = | -18.90155439 | ||
| 6 | 3139320 | 2452 | - | 2552 | = | -100 | * | (48 | / | 193) | = | -24.8704663 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Santa Susana Elementary | -64 | ||||||||||||
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 | 96792 | 2372 | - | 2436 | = | -64 | * | (46 | / | 179) | = | -16.44692736 | ||
| 4 | 96795 | 2450 | - | 2485 | = | -35 | * | (47 | / | 179) | = | -9.18994412 | ||
| 5 | 96797 | 2459 | - | 2528 | = | -69 | * | (47 | / | 179) | = | -18.11731841 | ||
| 6 | 96799 | 2454 | - | 2552 | = | -98 | * | (39 | / | 179) | = | -21.35195521 | ||
| 11 | 96801 | 0 | - | 2628 | = | * | (0 | / | 179) | = | ||||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Santa Susana Elementary | -65 | ||||||||||||
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 | 99594 | 2402 | - | 2436 | = | -34 | * | (35 | / | 163) | = | -7.30061348 | ||
| 4 | 99596 | 2456 | - | 2485 | = | -29 | * | (45 | / | 163) | = | -8.00613495 | ||
| 5 | 99597 | 2450 | - | 2528 | = | -78 | * | (44 | / | 163) | = | -21.0552147 | ||
| 6 | 99600 | 2473 | - | 2552 | = | -79 | * | (39 | / | 163) | = | -18.90184044 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Santa Susana Elementary | -55 | ||||||||||||
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 | 99752 | 2396 | - | 2436 | = | -40 | * | (49 | / | 168) | = | -11.66666664 | ||
| 4 | 99754 | 2463 | - | 2485 | = | -22 | * | (29 | / | 168) | = | -3.79761903 | ||
| 5 | 99756 | 2456 | - | 2528 | = | -72 | * | (46 | / | 168) | = | -19.71428566 | ||
| 6 | 99758 | 2449 | - | 2552 | = | -103 | * | (44 | / | 168) | = | -26.97619038 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Santa Susana Elementary | -62 | ||||||||||||
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 | 100418 | 2376 | - | 2436 | = | -60 | * | (43 | / | 148) | = | -17.4324324 | ||
| 4 | 100419 | 2441 | - | 2485 | = | -44 | * | (45 | / | 148) | = | -13.37837838 | ||
| 5 | 100420 | 2464 | - | 2528 | = | -64 | * | (28 | / | 148) | = | -12.1081081 | ||
| 6 | 100421 | 2467 | - | 2552 | = | -85 | * | (32 | / | 148) | = | -18.37837836 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Santa Susana Elementary | -61 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -64 | -65 | -55 | -62 | -61 | -307.0 | -61.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -52.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -70.4
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 | 72% | 71% | 72% | 69% | 70% |
| 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: wealth/poverty.
NOT what teachers want.
NOT what principals want.
NOT what parents want.
Santa Susana Elementary math proficiency
Zero+ meets standard.
58% less $meal
60% less $meal
61% less $meal
63% less $meal
61% 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.