Lemon Avenue Elementary (Data source)
Source data for Lemon Avenue 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 | 2184322 | 2418 | - | 2436 | = | -18 | * | (83 | / | 296) | = | -5.04729729 | ||
| 4 | 2184324 | 2467 | - | 2485 | = | -18 | * | (74 | / | 296) | = | -4.5 | ||
| 5 | 2184326 | 2526 | - | 2528 | = | -2 | * | (89 | / | 296) | = | -0.60135135 | ||
| 6 | 2184329 | 2561 | - | 2552 | = | 9 | * | (50 | / | 296) | = | 1.52027026 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Lemon Avenue Elementary | -9 | ||||||||||||
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 | 67081 | 2427 | - | 2436 | = | -9 | * | (103 | / | 335) | = | -2.76716417 | ||
| 4 | 67084 | 2470 | - | 2485 | = | -15 | * | (77 | / | 335) | = | -3.44776119 | ||
| 5 | 67085 | 2493 | - | 2528 | = | -35 | * | (70 | / | 335) | = | -7.31343281 | ||
| 6 | 67087 | 2563 | - | 2552 | = | 11 | * | (85 | / | 335) | = | 2.79104477 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Lemon Avenue Elementary | -11 | ||||||||||||
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 | 68903 | 2450 | - | 2436 | = | 14 | * | (103 | / | 321) | = | 4.49221184 | ||
| 4 | 68905 | 2473 | - | 2485 | = | -12 | * | (87 | / | 321) | = | -3.25233644 | ||
| 5 | 68907 | 2492 | - | 2528 | = | -36 | * | (67 | / | 321) | = | -7.51401868 | ||
| 6 | 68909 | 2534 | - | 2552 | = | -18 | * | (64 | / | 321) | = | -3.58878505 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Lemon Avenue Elementary | -10 | ||||||||||||
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 | 69074 | 2443 | - | 2436 | = | 7 | * | (93 | / | 338) | = | 1.9260355 | ||
| 4 | 69076 | 2492 | - | 2485 | = | 7 | * | (101 | / | 338) | = | 2.09171598 | ||
| 5 | 69078 | 2468 | - | 2528 | = | -60 | * | (81 | / | 338) | = | -14.3786982 | ||
| 6 | 69080 | 2540 | - | 2552 | = | -12 | * | (63 | / | 338) | = | -2.23668638 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Lemon Avenue Elementary | -13 | ||||||||||||
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 | 69612 | 2424 | - | 2436 | = | -12 | * | (97 | / | 329) | = | -3.53799391 | ||
| 4 | 69613 | 2505 | - | 2485 | = | 20 | * | (73 | / | 329) | = | 4.43768996 | ||
| 5 | 69614 | 2512 | - | 2528 | = | -16 | * | (94 | / | 329) | = | -4.57142856 | ||
| 6 | 69615 | 2510 | - | 2552 | = | -42 | * | (65 | / | 329) | = | -8.29787234 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Lemon Avenue Elementary | -12 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -9 | -11 | -10 | -13 | -12 | -55.0 | -11.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -8.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -14.0
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 | 34% | 38% | 32% | 40% | 37% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
La Mesa-Spring Valley school district | County of San Diego
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.
Lemon Avenue Elementary math proficiency
Zero+ meets standard.
25% less $meal
27% less $meal
26% less $meal
32% less $meal
32% 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.