Thurgood Marshall Elementary (Data source)
Source data for Thurgood Marshall 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 | 3116906 | 2375 | - | 2436 | = | -61 | * | (93 | / | 286) | = | -19.83566433 | ||
4 | 3116909 | 2422 | - | 2485 | = | -63 | * | (97 | / | 286) | = | -21.36713286 | ||
5 | 3116910 | 2472 | - | 2528 | = | -56 | * | (96 | / | 286) | = | -18.79720276 | ||
Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Thurgood Marshall Elementary | -60 |
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 | 96129 | 2388 | - | 2436 | = | -48 | * | (76 | / | 272) | = | -13.41176467 | ||
4 | 96131 | 2448 | - | 2485 | = | -37 | * | (94 | / | 272) | = | -12.7867647 | ||
5 | 96132 | 2477 | - | 2528 | = | -51 | * | (102 | / | 272) | = | -19.125 | ||
Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Thurgood Marshall Elementary | -45 |
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 | 98904 | 2384 | - | 2436 | = | -52 | * | (67 | / | 236) | = | -14.76271186 | ||
4 | 98906 | 2441 | - | 2485 | = | -44 | * | (76 | / | 236) | = | -14.16949151 | ||
5 | 98907 | 2482 | - | 2528 | = | -46 | * | (93 | / | 236) | = | -18.12711862 | ||
Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Thurgood Marshall Elementary | -47 |
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 | 99063 | 2410 | - | 2436 | = | -26 | * | (86 | / | 220) | = | -10.16363634 | ||
4 | 99065 | 2433 | - | 2485 | = | -52 | * | (64 | / | 220) | = | -15.12727268 | ||
5 | 99067 | 2451 | - | 2528 | = | -77 | * | (70 | / | 220) | = | -24.49999999 | ||
Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Thurgood Marshall Elementary | -50 |
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 | 99726 | 2413 | - | 2436 | = | -23 | * | (98 | / | 315) | = | -7.15555555 | ||
4 | 99727 | 2452 | - | 2485 | = | -33 | * | (86 | / | 315) | = | -9.00952381 | ||
5 | 99728 | 2469 | - | 2528 | = | -59 | * | (65 | / | 315) | = | -12.17460315 | ||
6 | 99729 | 2478 | - | 2552 | = | -74 | * | (66 | / | 315) | = | -15.50476187 | ||
Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Thurgood Marshall Elementary | -44 |
Last steps
Compute the average
2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
---|---|---|---|---|---|---|
-60 | -45 | -47 | -50 | -44 | -246.0 | -49.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -31.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -67.2
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 | 70% | 73% | 70% | 73% | 59% |
Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Oxnard school district County of Ventura
THIS chart shows what the school system "wants"
PLUS a "special" or "outside" cause of variation, parent education.
NOT what teachers want.
NOT what principals want.
NOT what parents want.
Thurgood Marshall Elementary math proficiency
Zero+ meets standard.

54% less $meal

58% less $meal

59% less $meal

62% less $meal

54% 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.