Grant Elementary (Data source)
Source data for Grant 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 | 2708964 | 2342 | - | 2436 | = | -94 | * | (103 | / | 283) | = | -34.21201412 | ||
| 4 | 2708967 | 2402 | - | 2485 | = | -83 | * | (99 | / | 283) | = | -29.03533564 | ||
| 5 | 2708968 | 2421 | - | 2528 | = | -107 | * | (81 | / | 283) | = | -30.62544167 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Grant Elementary | -94 | ||||||||||||
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 | 82484 | 2383 | - | 2436 | = | -53 | * | (80 | / | 253) | = | -16.75889325 | ||
| 4 | 82487 | 2411 | - | 2485 | = | -74 | * | (94 | / | 253) | = | -27.49407107 | ||
| 5 | 82488 | 2438 | - | 2528 | = | -90 | * | (79 | / | 253) | = | -28.10276676 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Grant Elementary | -72 | ||||||||||||
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 | 84776 | 2382 | - | 2436 | = | -54 | * | (84 | / | 246) | = | -18.43902436 | ||
| 4 | 84778 | 2438 | - | 2485 | = | -47 | * | (76 | / | 246) | = | -14.52032518 | ||
| 5 | 84780 | 2429 | - | 2528 | = | -99 | * | (86 | / | 246) | = | -34.60975601 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Grant Elementary | -68 | ||||||||||||
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 | 84992 | 2385 | - | 2436 | = | -51 | * | (78 | / | 232) | = | -17.1465517 | ||
| 4 | 84994 | 2439 | - | 2485 | = | -46 | * | (75 | / | 232) | = | -14.87068965 | ||
| 5 | 84996 | 2449 | - | 2528 | = | -79 | * | (79 | / | 232) | = | -26.90086204 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Grant Elementary | -59 | ||||||||||||
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 | 85586 | 2377 | - | 2436 | = | -59 | * | (85 | / | 234) | = | -21.43162392 | ||
| 4 | 85587 | 2424 | - | 2485 | = | -61 | * | (76 | / | 234) | = | -19.81196576 | ||
| 5 | 85588 | 2457 | - | 2528 | = | -71 | * | (73 | / | 234) | = | -22.14957258 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Grant Elementary | -63 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -94 | -72 | -68 | -59 | -63 | -356.0 | -71.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -32.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -110.2
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 | 83% | 82% | 80% | 80% | 76% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
San Jose Unified school district | County of Santa Clara
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.
Grant Elementary math proficiency
Zero+ meets standard.
71% less $meal
74% less $meal
67% less $meal
70% less $meal
62% 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.