Santa Clarita Elementary (Data source)
Source data for Santa Clarita 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 | 1112469 | 2440 | - | 2436 | = | 4 | * | (69 | / | 256) | = | 1.078125 | ||
| 4 | 1112472 | 2462 | - | 2485 | = | -23 | * | (63 | / | 256) | = | -5.66015625 | ||
| 5 | 1112473 | 2511 | - | 2528 | = | -17 | * | (60 | / | 256) | = | -3.984375 | ||
| 6 | 1112476 | 2530 | - | 2552 | = | -22 | * | (64 | / | 256) | = | -5.5 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Santa Clarita Elementary | -14 | ||||||||||||
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 | 34761 | 2412 | - | 2436 | = | -24 | * | (60 | / | 259) | = | -5.55984554 | ||
| 4 | 34763 | 2467 | - | 2485 | = | -18 | * | (70 | / | 259) | = | -4.86486486 | ||
| 5 | 34765 | 2471 | - | 2528 | = | -57 | * | (65 | / | 259) | = | -14.30501925 | ||
| 6 | 34768 | 2542 | - | 2552 | = | -10 | * | (64 | / | 259) | = | -2.47104247 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Santa Clarita Elementary | -27 | ||||||||||||
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 | 35407 | 2431 | - | 2436 | = | -5 | * | (41 | / | 232) | = | -0.88362069 | ||
| 4 | 35409 | 2494 | - | 2485 | = | 9 | * | (57 | / | 232) | = | 2.2112069 | ||
| 5 | 35411 | 2501 | - | 2528 | = | -27 | * | (67 | / | 232) | = | -7.79741378 | ||
| 6 | 35414 | 2522 | - | 2552 | = | -30 | * | (67 | / | 232) | = | -8.66379309 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Santa Clarita Elementary | -15 | ||||||||||||
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 | 35417 | 2447 | - | 2436 | = | 11 | * | (47 | / | 218) | = | 2.37155963 | ||
| 4 | 35419 | 2471 | - | 2485 | = | -14 | * | (45 | / | 218) | = | -2.88990825 | ||
| 5 | 35421 | 2508 | - | 2528 | = | -20 | * | (60 | / | 218) | = | -5.50458714 | ||
| 6 | 35423 | 2535 | - | 2552 | = | -17 | * | (66 | / | 218) | = | -5.14678898 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Santa Clarita Elementary | -11 | ||||||||||||
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 | 35585 | 2396 | - | 2436 | = | -40 | * | (41 | / | 192) | = | -8.54166664 | ||
| 4 | 35586 | 2489 | - | 2485 | = | 4 | * | (52 | / | 192) | = | 1.08333333 | ||
| 5 | 35587 | 2505 | - | 2528 | = | -23 | * | (42 | / | 192) | = | -5.03125 | ||
| 6 | 35588 | 2544 | - | 2552 | = | -8 | * | (57 | / | 192) | = | -2.375 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Santa Clarita Elementary | -15 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -14 | -27 | -15 | -11 | -15 | -82.0 | -16.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 1.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -34.4
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 | 30% | 30% | 25% | 32% | 27% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Saugus Union school district | County of Los Angeles
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 Clarita Elementary math proficiency
Zero+ meets standard.
20% less $meal
23% less $meal
17% less $meal
27% less $meal
23% 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.