Zamora Elementary (Data source)
Source data for Zamora 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 | 3187295 | 2392 | - | 2436 | = | -44 | * | (83 | / | 318) | = | -11.48427672 | ||
| 4 | 3187296 | 2473 | - | 2485 | = | -12 | * | (90 | / | 318) | = | -3.3962264 | ||
| 5 | 3187299 | 2542 | - | 2528 | = | 14 | * | (63 | / | 318) | = | 2.7735849 | ||
| 6 | 3187300 | 2519 | - | 2552 | = | -33 | * | (82 | / | 318) | = | -8.50943396 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Zamora Elementary | -21 | ||||||||||||
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 | 98230 | 2428 | - | 2436 | = | -8 | * | (74 | / | 296) | = | -2.0 | ||
| 4 | 98233 | 2480 | - | 2485 | = | -5 | * | (79 | / | 296) | = | -1.33445946 | ||
| 5 | 98235 | 2517 | - | 2528 | = | -11 | * | (82 | / | 296) | = | -3.0472973 | ||
| 6 | 98237 | 2561 | - | 2552 | = | 9 | * | (61 | / | 296) | = | 1.85472973 | ||
| 7 | 98239 | 0 | - | 2567 | = | * | (0 | / | 296) | = | ||||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Zamora Elementary | -5 | ||||||||||||
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 | 101097 | 2436 | - | 2436 | = | 0 | * | (53 | / | 272) | = | 0.0 | ||
| 4 | 101100 | 2497 | - | 2485 | = | 12 | * | (68 | / | 272) | = | 3.0 | ||
| 5 | 101102 | 2515 | - | 2528 | = | -13 | * | (72 | / | 272) | = | -3.44117647 | ||
| 6 | 101103 | 2537 | - | 2552 | = | -15 | * | (79 | / | 272) | = | -4.35661764 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Zamora Elementary | -5 | ||||||||||||
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 | 101250 | 2463 | - | 2436 | = | 27 | * | (53 | / | 247) | = | 5.79352225 | ||
| 4 | 101253 | 2507 | - | 2485 | = | 22 | * | (53 | / | 247) | = | 4.72064776 | ||
| 5 | 101254 | 2536 | - | 2528 | = | 8 | * | (68 | / | 247) | = | 2.20242914 | ||
| 6 | 101257 | 2542 | - | 2552 | = | -10 | * | (73 | / | 247) | = | -2.95546558 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Zamora Elementary | 10 | ||||||||||||
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 | 101910 | 2477 | - | 2436 | = | 41 | * | (70 | / | 258) | = | 11.12403099 | ||
| 4 | 101911 | 2526 | - | 2485 | = | 41 | * | (62 | / | 258) | = | 9.85271316 | ||
| 5 | 101912 | 2556 | - | 2528 | = | 28 | * | (56 | / | 258) | = | 6.07751936 | ||
| 6 | 101913 | 2548 | - | 2552 | = | -4 | * | (70 | / | 258) | = | -1.08527132 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Zamora Elementary | 26 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -21 | -5 | -5 | 10 | 26 | 5.0 | 1.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 52.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -50.0
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 | 46% | 47% | 43% | 45% | 39% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Woodland Joint Unified school district | County of Yolo
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.
Zamora Elementary math proficiency
Zero+ meets standard.
33% less $meal
35% less $meal
37% less $meal
39% less $meal
35% 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.