Bryn Mawr Elementary (Data source)
Source data for Bryn Mawr 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 | 2027102 | 2414 | - | 2436 | = | -22 | * | (116 | / | 335) | = | -7.61791043 | ||
| 4 | 2027105 | 2468 | - | 2485 | = | -17 | * | (112 | / | 335) | = | -5.68358209 | ||
| 5 | 2027106 | 2516 | - | 2528 | = | -12 | * | (107 | / | 335) | = | -3.83283582 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Bryn Mawr Elementary | -17 | ||||||||||||
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 | 62318 | 2463 | - | 2436 | = | 27 | * | (103 | / | 333) | = | 8.35135134 | ||
| 4 | 62321 | 2469 | - | 2485 | = | -16 | * | (117 | / | 333) | = | -5.62162162 | ||
| 5 | 62322 | 2499 | - | 2528 | = | -29 | * | (113 | / | 333) | = | -9.84084083 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Bryn Mawr Elementary | -7 | ||||||||||||
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 | 64103 | 2445 | - | 2436 | = | 9 | * | (102 | / | 327) | = | 2.80733945 | ||
| 4 | 64104 | 2508 | - | 2485 | = | 23 | * | (103 | / | 327) | = | 7.24464831 | ||
| 5 | 64107 | 2490 | - | 2528 | = | -38 | * | (122 | / | 327) | = | -14.17737003 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Bryn Mawr Elementary | -4 | ||||||||||||
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 | 64208 | 2449 | - | 2436 | = | 13 | * | (109 | / | 318) | = | 4.45597484 | ||
| 4 | 64210 | 2507 | - | 2485 | = | 22 | * | (101 | / | 318) | = | 6.98742136 | ||
| 5 | 64212 | 2505 | - | 2528 | = | -23 | * | (108 | / | 318) | = | -7.81132074 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Bryn Mawr Elementary | 4 | ||||||||||||
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 | 64575 | 2451 | - | 2436 | = | 15 | * | (112 | / | 342) | = | 4.9122807 | ||
| 4 | 64576 | 2479 | - | 2485 | = | -6 | * | (120 | / | 342) | = | -2.10526315 | ||
| 5 | 64577 | 2509 | - | 2528 | = | -19 | * | (110 | / | 342) | = | -6.11111109 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Bryn Mawr Elementary | -3 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -17 | -7 | -4 | 4 | -3 | -27.0 | -5.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 15.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -26.4
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 | 58% | 58% | 60% | 62% | 63% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Redlands Unified school district | County of San Bernardino
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.
Bryn Mawr Elementary math proficiency
Zero+ meets standard.
49% less $meal
48% less $meal
50% less $meal
54% less $meal
56% 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.