Somis Elementary (Data source)
Source data for Somis 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 | 3143704 | 2385 | - | 2436 | = | -51 | * | (29 | / | 155) | = | -9.54193547 | ||
| 4 | 3143705 | 2415 | - | 2485 | = | -70 | * | (25 | / | 155) | = | -11.29032254 | ||
| 5 | 3143708 | 2457 | - | 2528 | = | -71 | * | (25 | / | 155) | = | -11.45161286 | ||
| 6 | 3143709 | 2495 | - | 2552 | = | -57 | * | (23 | / | 155) | = | -8.45806447 | ||
| 7 | 3143712 | 2554 | - | 2567 | = | -13 | * | (31 | / | 155) | = | -2.6 | ||
| 8 | 3143713 | 2595 | - | 2586 | = | 9 | * | (22 | / | 155) | = | 1.27741935 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Somis Elementary | -42 | ||||||||||||
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 | 96903 | 2431 | - | 2436 | = | -5 | * | (29 | / | 153) | = | -0.94771242 | ||
| 4 | 96905 | 2457 | - | 2485 | = | -28 | * | (27 | / | 153) | = | -4.94117646 | ||
| 5 | 96907 | 2465 | - | 2528 | = | -63 | * | (26 | / | 153) | = | -10.70588232 | ||
| 6 | 96909 | 2481 | - | 2552 | = | -71 | * | (21 | / | 153) | = | -9.74509797 | ||
| 7 | 96910 | 2528 | - | 2567 | = | -39 | * | (19 | / | 153) | = | -4.84313723 | ||
| 8 | 96912 | 2587 | - | 2586 | = | 1 | * | (31 | / | 153) | = | 0.20261438 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Somis Elementary | -31 | ||||||||||||
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 | 99701 | 2443 | - | 2436 | = | 7 | * | (22 | / | 152) | = | 1.01315789 | ||
| 4 | 99704 | 2464 | - | 2485 | = | -21 | * | (34 | / | 152) | = | -4.69736841 | ||
| 5 | 99705 | 2485 | - | 2528 | = | -43 | * | (25 | / | 152) | = | -7.07236841 | ||
| 6 | 99707 | 2516 | - | 2552 | = | -36 | * | (26 | / | 152) | = | -6.15789472 | ||
| 7 | 99710 | 2529 | - | 2567 | = | -38 | * | (26 | / | 152) | = | -6.49999998 | ||
| 8 | 99712 | 2602 | - | 2586 | = | 16 | * | (19 | / | 152) | = | 2.0 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Somis Elementary | -21 | ||||||||||||
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 | 99858 | 2416 | - | 2436 | = | -20 | * | (29 | / | 154) | = | -3.76623376 | ||
| 4 | 99860 | 2472 | - | 2485 | = | -13 | * | (24 | / | 154) | = | -2.02597402 | ||
| 5 | 99862 | 2478 | - | 2528 | = | -50 | * | (28 | / | 154) | = | -9.09090905 | ||
| 6 | 99864 | 2524 | - | 2552 | = | -28 | * | (29 | / | 154) | = | -5.27272726 | ||
| 7 | 99866 | 2535 | - | 2567 | = | -32 | * | (21 | / | 154) | = | -4.36363635 | ||
| 8 | 99868 | 2532 | - | 2586 | = | -54 | * | (23 | / | 154) | = | -8.06493505 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Somis Elementary | -33 | ||||||||||||
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 | 100526 | 2461 | - | 2436 | = | 25 | * | (21 | / | 139) | = | 3.7769784 | ||
| 4 | 100527 | 2450 | - | 2485 | = | -35 | * | (31 | / | 139) | = | -7.80575537 | ||
| 5 | 100528 | 2512 | - | 2528 | = | -16 | * | (21 | / | 139) | = | -2.41726618 | ||
| 6 | 100529 | 2544 | - | 2552 | = | -8 | * | (26 | / | 139) | = | -1.49640287 | ||
| 7 | 100530 | 2591 | - | 2567 | = | 24 | * | (24 | / | 139) | = | 4.14388488 | ||
| 8 | 100531 | 2601 | - | 2586 | = | 15 | * | (16 | / | 139) | = | 1.7266187 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Somis Elementary | -2 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -42 | -31 | -21 | -33 | -2 | -129.0 | -25.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 19.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -70.8
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% | 74% | 59% | 71% | 71% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Somis Union 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.
Somis Elementary math proficiency
Zero+ meets standard.
57% less $meal
62% less $meal
47% less $meal
64% less $meal
59% 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.
Elementary School in 1 School District (Public) schools in Somis Union (1)
| Somis Elementary |